How to break through the restriction that the max. length of a variable name in csh can't exceed to 20 ?

Hi,managers,

In csh(solaris 9),it seems that a variable name length can't exceed to
20,see the testing below:

# setenv abcdefghijklmnopqrstuvw "testing"
# echo $abcdefghijklmnopqrstuvw
Variable name too long

The above variable length is certainly greater than 20,So csh
complaints it's too long,as think,the value "testing" wouldn't be
assigned to this variable,but:

# env|grep abc
abcdefghijklmnopqrstuvw=testing

The result is not same with our thinking,what is your comments on this ?

And is there possible way to expand the variable name length in Csh ?

Thanks so much.

Rgds,
Simon
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